An overview of ceramic materials and their composites in porous media burner applications

Chalia, Sonia; Bharti, Manish Kumar; Thakur, Preeti; Thakur, Atul; Sridhara, S. N.

doi:10.1016/j.ceramint.2020.12.202

Cited by 37 publications

(12 citation statements)

References 173 publications

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“…Nevertheless, there exists tremendous scope to address more effective and rapid thermal treatment practices for large spaces. Porous materials (PM) have been used in a wide range of heating applications for the augmentation of fluid's thermal performance 14–18 . The PM ensures proper mixing by offering a higher surface‐to‐volume ratio to enhance the heat transfer between solid and gas phases 19 .…”

Section: Introductionmentioning

confidence: 99%

“…Porous materials (PM) have been used in a wide range of heating applications for the augmentation of fluid's thermal performance. 14 , 15 , 16 , 17 , 18 The PM ensures proper mixing by offering a higher surface‐to‐volume ratio to enhance the heat transfer between solid and gas phases. 19 However, the pressure drop inside the porous zone demands more pumping power which can be suppressed considering the optimum porosity of PM.…”

Section: Introductionmentioning

confidence: 99%

“… 15 PM's performance and efficacy are critically dependent on thermophysical properties; coefficient of thermal expansion, thermal conductivity, melting point, heat capacity, porosity, pore size, and area density. 16 , 17 Researchers have extensively used metal foams, porous sintered metal, and ceramics in porous‐based air heating equipment. 14 , 20 , 21 Abo‐Elfadl et al 20 have investigated the PM‐based air heating in a tubular solar air heater at variable mass flow conditions and noticed 8.9% and 8.2% improvement in energy and exergy efficiencies of the tubular air heater.…”

Section: Introductionmentioning

confidence: 99%

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Novel thermal treatment model to decontaminate airborne SARS Cov‐2 virus for residential and commercial buildings

2022

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In the COVID‐19 pandemic, control of airborne virus transmission is exceptionally challenging as it is attached to suspended particles in the air and stays for an extended time. Air contaminated with airborne viruses holds a substantial risk for household transmission. In this study, a novel thermal treatment system is modeled based on porous heating for the decontamination of airborne SARS‐Cov‐2. The model includes an air heating domain, insulated chamber, buffer tank and heat exchanger. The airborne SARS‐Cov‐2 is decontaminated when passing through a porous heat pipe and the insulated chamber for an anticipated dwelling period of more than 5 min at 105°C and further stored in a buffer tank for natural cooling. The obligatory decontaminated air is allowed in the residential space under ambient conditions passing through a heat exchanger. The numerical investigation of the porous pipe model at different L/D ratios with altered porosities aims to establish the best‐performing porous domain. Besides this, the buffer tank is intended to maintain buffer storage of the treated air and significant natural cooling before passing to the heat exchanger. A solar PV module is proposed to meet the prerequisite energy requirements of the equipped devices.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Novel thermal treatment model to decontaminate airborne SARS Cov‐2 virus for residential and commercial buildings

2022

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“…The ceramic liner is utilised as heat retention, insulation, corrosion and wear resistant product for industrial and domestic applications [1,2]. Depending on the desired property and application, ceramic liners could be made from different material combination such as Al 2 O 3 -Cr 2 O 3 -SiC, and Al 2 O 3 -ZrO 2 -TiO 2 composites [3], silicon-based SiBCNZr composite [4], Na 2 Al 2 Ti 6 O 16 composite [5] and silica sand tailings [6].…”

Section: Introductionmentioning

confidence: 99%

“…For domestic applications, ceramic liners are heavily used for heat retention in cooking and burner devices [2]. Cooking is one of the major energy costs in the homes of many developing countries [9].…”

Section: Introductionmentioning

confidence: 99%

Production processes and statistical analysis of ceramic liner-hole parameters for sustainability and improved thermal efficiency of clean biomass stoves

Donkor

Obeng

Opoku

et al. 2021

Renew. Energy Environ. Sustain.

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In engineering, ceramic liners are used as heat retention, insulation, and wear-resistant components for industrial and domestic applications. However, due to lack of production standards, particularly under small industrial operations, there is variation in liner-hole diameter and inter-hole spacing of liners used in clean biomass stoves. This study assessed the production processes and analysed ceramic liner-hole diameters and inter-hole spacings for standardisation. Standardising liner-hole parameters is a major process towards sustainability and improved efficiency. Methods employed were − material composition, particle size distribution analysis, study of production processes, and 51 liner-hole diameters and 66 inter-holes spacing were randomly sampled and analysed. The results indicated material composition of clay (70%), sand (23%), and sawdust (7%) of various particle sizes. A flow chart diagram of 7 production processes was created for standardisation. At 95% C.I, liner-hole diameter of Ø20.8 ± 2(0.66) mm and inter-hole spacing of 27.5 ± 2(1.06) mm were determined. Mean liner-hole diameter of Ø21.03 mm resulted in a relatively high thermal efficiency, ηT =37%. For practical applications, liner-hole diameter of Ø21 mm and inter-hole spacing of 30 mm are recommended. Standardising the production processes and the liner-hole parameters will contribute to sustainable production and thermal efficiency improvement.

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Introduction to Nanotechnology

Suhag,

Thakur,

Thakur

2023

Integrated Nanomaterials and Their Applications

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An overview of ceramic materials and their composites in porous media burner applications

Cited by 37 publications

References 173 publications

Novel thermal treatment model to decontaminate airborne SARS Cov‐2 virus for residential and commercial buildings

Novel thermal treatment model to decontaminate airborne SARS Cov‐2 virus for residential and commercial buildings

Production processes and statistical analysis of ceramic liner-hole parameters for sustainability and improved thermal efficiency of clean biomass stoves

Introduction to Nanotechnology

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